Abstract
This paper studies the Winching zircon ore purification and the determination of trace elements .Hal to determine a certain way of enhancing the quality of the program said : zircon, joined the Hal δ,Stir and continue heating in the furnace, cooling, exhaust filtering, drying calcinations 2h 1000.C placed muffle furnace .Discuss the different concentrations of hydrochloric acid and different heating times and different washing, purified different calcinations temperature on the program mention the pure comparison of various methods .
Dissolution of sulfuric acid, HF solution, direct and high temperature treatment HF dissolution and other conditions, although the conditions were not the best purification process, but in the process to enhance the understanding of the nature of zircon, but also learned a lot of techniques.
Discussed the test Fe, SiO2, the best way to Al, Fe measured using spectrophotometer, 1, 10 - phenanthroline to color: Al measured by titrating with EDTA, SiO2 K2SiF6 volumetric measurement.
Keywords: zircon， purification， dissolve， washing， calcinations
